Solar Demon Dimming Detection (sc)

Science! running on SDO/AIA 211 Synoptic data
2 minute cadence, typical delay 7 days
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 21375
Detector 14 day operating status:

Last detected dimming:
   221 hours and 38 minutes ago (2026-02-25 23:49 UTC)


Overview for dimming #:
   21375           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity ( overlaid on HMI )
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

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Details for dimming #: 21375          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-21 13:59:5910.00.00.00.00 , 0.008799560
2026-02-21 14:01:5920.00.00.00.00 , 0.008799561
2026-02-21 14:03:5930.00.00.00.00 , 0.008799562
2026-02-21 14:05:5940.00.00.00.00 , 0.008799563
2026-02-21 14:07:5950.00.00.00.00 , 0.008799564
2026-02-21 14:09:5960.00.00.00.00 , 0.008799565
2026-02-21 14:11:5970.00.00.00.00 , 0.008799566
2026-02-21 14:13:5980.00.00.00.00 , 1.878799567
2026-02-21 14:15:599-0.2-1.6-12.40.015-9.4-22.7-0.39, -0.050.391.418799568
2026-02-21 14:17:5910-0.4-2.8-14.80.122-9.2-22.9-0.39, -0.050.390.008799569
2026-02-21 14:19:5911-0.6-2.6-13.20.141-9.1-22.4-0.38, -0.040.380.008799570
2026-02-21 14:21:5912-0.9-4.1-13.50.255-8.8-22.4-0.38, -0.040.380.008799571
2026-02-21 14:23:5913-1.1-4.0-12.40.276-9.2-22.6-0.38, -0.050.390.008799572
2026-02-21 14:25:5914-1.6-4.9-12.20.4113-8.6-22.5-0.38, -0.040.380.008799573
2026-02-21 14:27:5915-2.1-6.2-12.40.5144-7.3-22.5-0.38, -0.010.380.008799574
2026-02-21 14:29:5916-2.6-7.2-11.20.6198-6.6-22.5-0.39, 0.000.390.008799575
2026-02-21 14:31:5917-2.1-7.1-10.70.6173-3.4-22.6-0.39, 0.060.390.008799576
2026-02-21 14:33:5918-1.9-7.8-10.60.5154-3.4-22.6-0.39, 0.060.390.008799577
2026-02-21 14:35:5919-2.0-7.7-11.10.5148-3.8-22.6-0.39, 0.050.390.008799578
2026-02-21 14:37:5920-2.0-6.6-11.50.5144-4.6-22.3-0.38, 0.030.390.008799579
2026-02-21 14:39:5921-1.5-5.7-12.10.3105-4.0-22.3-0.38, 0.050.390.008799580

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )